Statement: Smoking causes cancer. Conclusions: I. All cancer patients are smokers. II. Quitting smoking reduces the risk of cancer. MCQ with Answer and Explanation

Question

Statement: Smoking causes cancer. Conclusions: I. All cancer patients are smokers. II. Quitting smoking reduces the risk of cancer.

A. Neither I nor II follows

B. Both I and II follow

C. Only I follows

D. Only II follows

Answer: Option D

Solution (By JKExamLibrary)

I is false: cancer can be caused by other factors. II logically follows because if smoking causes cancer, then not smoking reduces risk.

This question belongs to: Reasoning Statement and Conclusion

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Question #1

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Statement: The house is made of bricks. Conclusions: I. It is a permanent structure. II. It is earthquake-proof.

A. Neither I nor II follows

B. Only I follows

C. Only II follows

D. Both I and II follow

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Correct Answer: Option B

Explanation:
Brick house is permanent (I). Earthquake resistance is not inherent to bricks, so II does not follow.

This question belongs to: Reasoning Statement and Conclusion

Question #2

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Statement: The temperature today is 40°C. Conclusions: I. It is a hot day. II. It is summer.

A. Both I and II follow

B. Neither I nor II follows

C. Only I follows

D. Only II follows

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Correct Answer: Option C

Explanation:
40°C is hot, so I follows. It could be hot even in other seasons, so II does not follow.

This question belongs to: Reasoning Statement and Conclusion

Question #3

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Statement:
The company has launched a new smartphone with advanced AI features at an affordable price.
Conclusions:
I. The company wants to attract tech-savvy customers.
II. The company's previous smartphones were very expensive.
Which conclusion(s) logically follow?

A. Both I and II follow

B. Only conclusion II follows

C. Only conclusion I follows

D. Neither I nor II follows

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Correct Answer: Option C

Explanation:
Launching advanced AI features indicates an intent to attract people interested in such tech (Conclusion I). However, the statement provides no information about the pricing history of the company's previous phones (Conclusion II).

This question belongs to: Reasoning Statement and Conclusion

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